
Tetrahedron Letters p. 4581 - 4584 (1996)
Update date:2022-08-05
Topics:
Eames, Jason
De Las Heras, Maria A.
Jones, Ray V. H.
Warren, Stuart
Single enantiomers and diastereoisomers of 2- and 3-alkyl-4- phenylsulfanyl-1,8-dioxa- and 1-oxa-8-thiaspiro[4.5]decanes can be prepared in good yield by acid-catalysed phenylsulfanyl migration. Either syn or anti stereochemistry can be selected by aldol reactions or by reduction of hydroxy-ketones.
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